Description
Yamaha 4 HP Outboard – 4-Stroke, Manual Start, 15″ Shaft, Tiller Steering – Brand New | F4SMHA
The Yamaha F4SMHA is a compact and lightweight 4 HP 4-stroke outboard motor ideal for dinghies, tenders, inflatables, and small aluminum boats. Weighing under 60 lbs, this engine is easy to carry, mount, and operate—making it the perfect portable solution for solo boaters, backup propulsion, or small vessel use.
Built with Yamaha’s reputation for durability and quiet performance, the F4SMHA delivers efficient power, smooth operation, and low fuel consumption. Whether you’re heading out for a quick trip or using it as an auxiliary motor, the Yamaha 4 HP offers unmatched reliability in a small, powerful package.
🔧 Technical Specifications
| Specification | Details |
|---|---|
| Model | Yamaha F4SMHA |
| Condition | Brand New |
| Horsepower | 4 HP |
| Engine Type | 4-Stroke, Single-Cylinder |
| Displacement | 139 cc (8.5 cu in) |
| Fuel System | Carbureted |
| Starting System | Manual Start (Pull Cord) |
| Steering | Tiller Handle |
| Shaft Length | 15″ Short Shaft |
| Gear Shift | Forward – Neutral – Reverse |
| Gear Ratio | 2.08:1 |
| Trim System | Manual Tilt |
| Cooling System | Water-cooled |
| Alternator Output | Optional (accessory not included) |
| Weight | 59.5 lbs (27 kg) |
| Color | Yamaha Grey |
⚙️ Key Features & Benefits
✅ Ultra-Lightweight & Portable
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Just 59.5 lbs, ideal for lifting and mounting solo
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Perfect for inflatables, sailing dinghies, or cartop boats
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Easy to store, transport, and deploy
✅ Quiet & Efficient 4-Stroke Performance
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Low-emission design meets environmental standards
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Smooth throttle response and low vibration
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Economical operation compared to 2-stroke engines
✅ Manual Start & Tiller Steering
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Reliable pull-start system
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Integrated throttle and gear controls
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Precise hands-on handling with twist throttle and friction adjuster
✅ Short Shaft (15”) Configuration
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Designed for:
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Small inflatables
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Flat-bottom boats
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Shallow transom vessels
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Optimizes prop depth and thrust output
📦 What’s Included
Your purchase includes a brand-new Yamaha F4SMHA 4 HP Outboard, packaged in its original shipping crate:
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Yamaha F4SMHA Engine
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Tiller Handle with Integrated Controls
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Owner’s Manual
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Warranty Registration Packet
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Protective Crate or Box for Safe Shipping
Note: Fuel tank, propeller, and oil sold separately.
Contact us for complete starter kits or accessory bundles.
📐 Shipping Details
| Shipping Field | Imperial Units |
|---|---|
| Weight (crated) | ~65 lbs |
| Dimensions (L×W×H) | 43.3″ × 17.7″ × 15.7″ |
🚚 Free Australia-Wide Shipping
We offer FREE standard shipping anywhere in Australia:
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✅ Dispatched in 1–2 business days
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✅ Delivered in 5–8 business days
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✅ Fully insured and tracked
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✅ Secure marine-grade packaging
🔁 90-Day Return Policy
Buy with confidence. We offer a 90-day return window for all new and unused outboards:
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Must be in original, unused condition with packaging
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Free prepaid return label included
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No restocking fees
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Refund processed within 5–10 business days after inspection
Read our full Returns & Refunds Policy
🛡️ Yamaha Warranty Coverage
The Yamaha F4SMHA is protected by a 3-Year Limited Recreational Warranty:
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Covers parts and labor for eligible factory defects
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Backed by Yamaha’s national service network
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Optional warranty extension available
